| Sarambou Trade Limited | Hospitality | 2025 |
| Sarana Construction Ltd | Construction | 2025 |
| Sarana Transport Ltd | Transport & logistics | 2021 |
| Saraphin Ltd | Other services | 2023 |
| Sarari Surgical Limited | Health & social care | 2021 |
| Saras Sarees and Suits Ltd | Wholesale & retail | 2015 |
| Sarasin Capital Limited | Administrative & support | 2022 |
| Saraswati Fruit & VEG Ltd | Wholesale & retail | 2017 |
| Saraswati Properties Ltd | Real estate | 2024 |
| Sarb Logistics Limited | Transport & logistics | 2011 |
| Sarb Utilities Ltd | Energy | 2024 |
| Sard Logistic Ltd | Transport & logistics | 2023 |
| Sardaar Builders Limited | Construction | 2025 |
| Sardaar Quality Catering Ltd | Hospitality | 2015 |
| Sardent Services Limited | Education | 2019 |
| Sarfraz Yousaf Limited | Wholesale & retail | 2025 |
| Sargent GAS, Plumbing and Heating Ltd | Construction | 2022 |
| Sargent Properties Limited | Real estate | 2025 |
| Sargu Ltd | Transport & logistics | 2018 |
| Saria RAI Ltd | Professional & scientific | 2024 |
| Sarinna Ltd | Professional & scientific | 2026 |
| Sark Accountancy Limited | Professional & scientific | 2025 |
| Sark Holdings Limited | Financial services | 2020 |
| Sark Homes Ltd | Real estate | 2020 |
| Sarkarenterprise Ltd | Hospitality | 2025 |
| Sarla Foundation | Other services | 2013 |
| Saro & Style Limited | Other services | 2023 |
| Saroop Limited | Professional & scientific | 2019 |
| Saroya Holdings Limited | Financial services | 2024 |
| Saroya Properties LLP | | 2023 |
| Sarren Joinery Limited | Manufacturing | 2021 |
| Sarsden Holdings Limited | Financial services | 2022 |
| Sarson Auto Services Ltd | Extraterritorial | 2023 |
| Sarson Electrical Ltd | Energy | 2014 |
| Sarstedt Limited | Manufacturing | 1971 |
| Sarsus Ltd | Real estate | 2025 |
| Sart Construct Ltd | Construction | 2023 |
| Sartak Ltd | Wholesale & retail | 2023 |
| Sarthaki Limited | Professional & scientific | 2024 |
| Saruche Ltd | Information & communication | 2024 |
| Sarvaay Sales Ltd | Wholesale & retail | 2026 |
| Sarvasv Ltd | Hospitality | 2026 |
| SAS Distributors Ltd | Wholesale & retail | 2022 |
| SAS Jaffrey Ltd | Real estate | 2020 |
| SAS Medical Services (UK) Ltd | Health & social care | 2012 |
| SAS Millsborough House Ltd | Real estate | 2020 |
| SAS Property Group Ltd | Construction | 2020 |
| SAS Seafood Ltd | Hospitality | 2026 |
| Sasaaccs UK Ltd | Wholesale & retail | 2022 |
| Sash World Trading Limited | Real estate | 2012 |
| Sasha Bassi Property Investments Limited | Real estate | 2021 |
| Sashi's Spices Limited | Manufacturing | 2022 |
| Sass R Ltd | Health & social care | 2018 |
| Sassy Style Ltd | Manufacturing | 2025 |
| SAT Technologies Ltd | Information & communication | 2024 |
| SAT Ventures Limited | Education | 2022 |
| Sathyam Limited | Transport & logistics | 2023 |
| Sati AI Projects Limited | Information & communication | 2025 |
| Sati Holdings Limited | Professional & scientific | 2017 |
| Sati Motors Limited | Wholesale & retail | 2014 |
| Sati Property Limited | Real estate | 2017 |
| Sati&Co Ltd | Real estate | 2019 |
| Satkar Foods Limited | Hospitality | 2015 |
| Satnam & Sons Food Ltd | Hospitality | 2024 |
| Satori Leicester Ltd | Hospitality | 2026 |
| Satori Ventures Limited | Real estate | 2023 |
| Satrang UK Ltd | Wholesale & retail | 2023 |
| Satsuma Medical Ltd | Health & social care | 2019 |
| Sattama Investments Limited | Health & social care | 2021 |
| Sattar Investments Ltd | Real estate | 2023 |
| Saturday Space Ltd | Professional & scientific | 2020 |
| Saturn Companies Limited | Hospitality | 2026 |
| Saturn Harold Ltd | Wholesale & retail | 2025 |
| Saturn Media Limited | Professional & scientific | 2022 |
| Satva Limited | Wholesale & retail | 2025 |
| Satya Restaurant Ltd | Hospitality | 2023 |
| Satyam Ltd | Wholesale & retail | 2023 |
| Satyam Properties Ltd | Real estate | 2025 |
| SAU Estates Ltd | Real estate | 2013 |
| Sauce Bros Ltd | Hospitality | 2025 |
| Saucer Print Services Limited | Manufacturing | 2016 |
| Sausera Ltd | Transport & logistics | 2021 |
| Sav-Eco Packaging Ltd. | Manufacturing | 2014 |
| Sava Real Estate Limited | Real estate | 2019 |
| Savage Aromas Ltd | Wholesale & retail | 2024 |
| Savage Lighting Solutions Ltd | Professional & scientific | 2013 |
| Savage Sustainability Insights Ltd | Professional & scientific | 2026 |
| Savanna SKD Limited | Wholesale & retail | 2024 |
| Save Time and Relax (Leicester) Ltd | Administrative & support | 2022 |
| Saveplan UK Limited | Administrative & support | 2022 |
| Saver Express Retail Group Ltd | Wholesale & retail | 2025 |
| Savera Consultancy Services Ltd | Other services | 2015 |
| Savers Choice Cash & Carry Ltd | Wholesale & retail | 2020 |
| Savers+ Ltd | Wholesale & retail | 2018 |
| Saville Foley LLP | | 2011 |
| Savio Felicia OFF Licence Limited | Wholesale & retail | 2023 |
| Savita Group Holdings Ltd | Financial services | 2025 |
| Saviya Investments Ltd | Financial services | 2025 |
| Savjani Consulting Limited | Professional & scientific | 2025 |
| Savjani Holdings Limited | Real estate | 2023 |